138586427459 has 2 divisors, whose sum is σ = 138586427460. Its totient is φ = 138586427458.

The previous prime is 138586427437. The next prime is 138586427461. The reversal of 138586427459 is 954724685831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138586427459 - 2¹² = 138586423363 is a prime.

Together with 138586427461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (138586427059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69293213729 + 69293213730.

It is an arithmetic number, because the mean of its divisors is an integer number (69293213730).

Almost surely, 2^138586427459 is an apocalyptic number.

138586427459 is a deficient number, since it is larger than the sum of its proper divisors (1).

138586427459 is an equidigital number, since it uses as much as digits as its factorization.

138586427459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58060800, while the sum is 62.

The spelling of 138586427459 in words is "one hundred thirty-eight billion, five hundred eighty-six million, four hundred twenty-seven thousand, four hundred fifty-nine".